SONY WF-SP700N(B) Wireless Earphones Sony Sports *Please note that these are items stored by a private individual and have been used, so there may be some scratches. Please refrain from purchasing if you are sensitive to such imperfections. Thank you for your understanding of used items. I do not have expert knowledge, so I may not be able to answer questions. There are individual differences in how usage and stains are perceived. Please understand that these are used items before purchasing. To prevent replacement, we do not accept returns, refunds, or claims after purchase. Please confirm everything before purchasing and only purchase if you are satisfied. I am also listing these items elsewhere, so please understand that I may suddenly cancel the listing if they sell elsewhere. Series: WF Series Model: WF-SP700N Other Features: Noise Canceling Wireless Noise Canceling Stereo Headset WF-SP700N (B) Black Brand: SONY Wearing Style: Separate Left and Right, Completely Independent Earphone/Headphone Type: Canal Type, Ear Clip Type Structure: Sealed Color: Black Wireless/Wired Connection: Wireless Earphone/Headphone Functions: Noise Canceling, Microphone, External Sound Input, Sound Quality Adjustment, Waterproof, Splashproof Wireless Standard: Bluetooth Wireless Features: NFC, Multi-pairing Bluetooth Version: Bluetooth 4.1 Bluetooth Codec: AAC, SBC IP Standard (Waterproof Standard): IPX4 Drive System: Dynamic Type Driver Size (mm): 6.0 mm Charging Port: USB Charging Time: 1.5 hours Weight (g): 7.6 g